1. Magic Tree House (hardcover and paperback), by Mary Pope Osborne, Sal Murdocca (Illus.), Random House
2. Elephant & Piggie (hardcover and paperback), by Mo Willems, Hyperion
3. Ivy & Bean (hardcover and paperback), by Annie Barrows, Sophie Blackall (Illus.), Chronicle
4. Diary of a Wimpy Kid (hardcover), by Jeff Kinney, Amulet
5. Captain Underpants (hardcover and paperback), by Dav Pilkey, Scholastic
6. Harry Potter (hardcover and paperback), by J.K. Rowling, Scholastic/Arthur A. Levine Books
7. Hunger Games (hardcover and paperback), by Suzanne Collins, Scholastic
8. Big Nate (hardcover and paperback), by Lincoln Peirce, Harper
9. Percy Jackson and the Olympians (hardcover and paperback), by Rick Riordan, Miramax
10. Ranger's Apprentice (hardcover and paperback), by John Flanagan, Puffin
